User's Manual
Appendix D Importing Certificates
ZyWALL USG 20/20W User’s Guide
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Installing a Stand-Alone Certificate File in Opera
Rather than browsing to a ZyXEL Web Configurator and installing a public key
certificate when prompted, you can install a stand-alone certificate file if one has
been issued to you.
1 Open Opera and click Tools > Preferences.
Figure 486 Opera 9: Tools Menu